BQ27541DRZT-V200

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Introduction

The BQ27541DRZT-V200 is a high-accuracy, high-stability digital battery fuel gauge designed for maximum flexibility, ease of use and scalability. The BQ27541DRZT-V200 is an application-specific integrated circuit (ASIC) designed for battery management systems (BMS) used in battery powered applications. It provides accurate fuel gauging and monitoring functionality for a wide range of battery types, chemistries and sizes, while reducing system design complexity.

Application Field

The BQ27541DRZT-V200 is a battery manager itself, which offers a wide range of functionalities that are used as a support for the construction and operation of battery powered applications. It can provide accurate fuel gauging and monitoring, voltage measurement and temperature monitoring capabilities, plus scalability that exist in application specific solutions. Some key applications of the BQ27541DRZT-V200 are battery-powered medical devices, portable power tools, small robots and Unmanned Aerial Vehicles (UAVs).

Working Principle

The BQ27541DRZT-V200 uses a Battery Model State Machine to deduce the battery state of charge (SoC) from a combination of sensing, voltage and temperature measurements, and time. The Battery Model State Machine is a mathematical model for the battery’s electrical, thermal, and mechanical properties, which incorporates environmental measurements and other nonlinear effects. The model uses data such as cell voltage, temperature and current to predict the SoC and battery health with high accuracy at low power consumption. It can also detect when the battery needs calibration to ensure accuracy. The BQ27541DRZT-V200 has an integrated charge controller, which provides on-board charging control, battery protection and regulation to ensure a long battery life.

Conclusion

The BQ27541DRZT-V200 is a high-performance integrated circuit with advanced battery management capabilities. It offers an enhanced battery monitoring and fuel gauging solution, as well as a built-in charge controller for efficient power management. Its advanced features and functionality make it an ideal choice for battery powered applications, especially medical devices, portable power tools, Unmanned Aerial Vehicles (UAVs), small robots and more.

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